Threshing-machine.



E. D. RICHARDSON.

THRESHING MACHINE.

A PLICATION FILED MAY 12. 19:5.

Patented Mar. 21, 1916.

2 SHEETSSHEET I- A TTOR/VEY WITNESSES:

THE COLUMBIA PLArjuuRAPH c0, WASHINGTON. n. c.

E. D. RICHARDSON.

THRESHING MACHINE.

APPLICATION FILED MAY 12. ms.

1,176,488. Patented Mar. 21, 1916.

2 SHEETS-SHEET 2.

l/ll/ll/AMMUM MMMU/ VIII/[1111: 1 2

E i! l WITNESSES: I N IN VEIV TOR A TTOR/VEY THE. COLUMBIA PLANOGRAPH50., WASHINGTON; D. c.

an srarns rarnn'r canton.

EMMITT D. RICHARDSON, 0F CAWKER CITY, KANSAS.

THRESHING-MAGHINE.

Specification of Letters Patent.

Application filed May 12, 1915. Serial No. 27,540.

To all whom it may concern Be it known that I, EMMrrT D. RICHARD- SON, acitizen of the United States, and a resident of Cawker City, in thecounty of Mitchell and State of Kansas, have invented a new and ImprovedThreshing-Machine, of which the following is a full, clear, and exactdescription.

This invention relates to threshing machines and has for an object toprovide an improved straw rack associated with an arrangement ofchafier.

Another object in view is to provide a threshing machine with means forincreasing the beating action or agitation of the straw, hay and thelike during its passagev through the machine.

A still further object in view is to pro vide an improved arrangement ofstraw racks and chaffers together with a return bottom for causing athorough agitation of the straw, wheat and chaff and the wheat and chaffseparately.

In the accompanying drawings :Figure 1 is a longitudinal verticalsection through the threshing machine disclosing an embodiment of theinvention; Fig. 2 is a topplan view of one set of lifting fingers; Fig.3 is an enlarged fragmentary side view of part of the straw rack,showing in dotted lines the movement of the parts; Fig. i is afragmentary sectional view through one set of lifting fingers, the samebeing taken approximately on line 44 of Fig. 2.

In constructing threshing machines or separators there is provided atthe feeding ends means for breaking up in a more or less thorough mannerthe bundles of wheat, oats or other material and then transporting thesame to various agitating and shaking members for shaking out the wheatand other grain and directing said wheat or grain to a discharge screwwhile the chalf and straw are directed out another discharge opening.The present invention refers only to the arrangement of these agitatingand separating means, but for the purpose of illustration and to makethe entire construction plain a suitable housing or casing 1 has beenshown in the drawings, in the front end of which is arranged a cylinder2 which receives the matter being fed intothe machine and which, asstated, breaks up the same to a certain extent, after which the strawand part of the wheat and chaff pass up the conveyor 3 and part of thewheat and some chaff drop down to the grain pan 4 which is beingagitated or moved back and forth, the same swinging on suitable hangers5 and 6 in the usual manner. The part of the grain which passes upelevator or conveyor 3 is operated on by beater 7 and finally by beater8, after which it is discharged upon the straw rack 9.

The straw rack 9 is provided with side members supported by any suitablenumber of swinging hangers 10 whereby the rack may be agitated or swungback and forth quickly and thereby give a proper movement to the fingers11. A plurality of fingers 11 are secured in each of the bars 12, whichbars are providedat their ends with shafts or pintles 13 to which arerigidly secured the arms 14. The arms 14 are provided at their upperends with apertures 15 in which the connecting rod or link 16 is placed,one end of link 16 being arranged in one of the apertures 15 while theother end of the link 16 is arranged in one of the apertures 17 in plate18 which is rigidly secured in position in any suitable manner. It willbe understood that there is a bar 12 for each set of fingers 11 and thatthere are preferably a pair of arms 14 for each bar 12, so that when therack 9 is moved back and forth on its hangers 10 the fingers 11 will beflapped or raised and lowered pivotally in proportion to the movement ofthe rack and the position of the link 16.

In order to provide a better agitating and separating efiect apluralityof slats 19 are secured to each set of fingers 11, as clearlyshown in Fig. 2, these slats being preferably triangular in shape incross section. Preferably the slats 19 on one set of fingers 11 extendfrom their supporting bar 12 to a point above the next supporting bar,as shown in Fig. 1, thus in efiect providing a form of chalfer forassisting in separating the grain and chad, the fingers 11 taking careof the straw and gradually working the same toward the rear or dischargepart of the threshing machine. The various chaff, grain and other matterpassing through the straw rack 9 will fall upon the return bottom 20,which may be formed of the usual construction, namely, of suitable sideboards and suitable transverse members '21 overlapped as shown in Fig.l. The return bottom 20 is supported by suitable hangers 22 so that asthe same is agitated to move back and forth the grain,

tated the same will feed the chaff, grain and other matter toward thechaifer 23 which is providedwith fingers 11 similar to the fingers 11 onthe straw rack and with slats 19 similar to the slats 19 on the strawrack,

except that they are preferably arranged closer together. The fingers 11are fiapped or swung back and forth in a similar manner to the fingers11 on rack 9 so that no additional description of the operating meanswill be necessary except that the movement is caused by arms 14constructed and arranged similar to the arms 14. The matter passingthrough the charter 23 will dropeither on the short grain pan 2a or onwhat is known as a shoe chafler 25. The matter on the short grain pan 24will be moved on to the chaffer 25 as the chatl'er and short grain panare agitated or moved back and forth. These members are swung onsuitable hangers 26 and 27. The matter passing over the end of thechafler 25 will fall into a suitable trough 2S and will be moved to oneside by the return screw 29 which may direct the material to anysuitable point, as for instance to a return elevator not forming anypart of the present invention The matter passing through the chatter 25will be subjected to a blast of air provided by fan 30 and any lightmatter will be blown out of the machine in the usual manner, while theheavier matter will strike the screen 31 and part of the same pass oifthe forward end of the screen and the remaining part pass through thescreen to the floor 32. All of the matter passing oif the forward end ofthe screen 31 and striking the floor 82 will gravitate toward the grainscrew 33 which will discharge the grain to a suitable discharge point.

The provision of the various lifting fingers 11 and 11 and also thereturn bottom 20 present means which provide extra agitation and beatingof the straw, chaff and the like, so as to thoroughly separate the sameand thereby save all of the grain instead of discharging part of thegrain out of the straw stacker. Also by providing these extra agitatingor separating means the dirt and other objectionable light matter may bemore easily separated from the grain by the fan 30 when the same pass infront of the fan.

' What I claim is 1. In a threshing machine of the character described,a straw rack, means for operating the same, means for feeding straw andgrain to the ra ck,-a return bottom for receiving chaff and grain fromsaid straw rack, a grain pan for receiving the chaff and grain from saidreturn bottom, a chafler for reeeiving part of the grain and chaff fromthe for directing the grain from said chatter to 1 a discharge point,said means including a sieve and an inclined guide.

2. In a threshing machine of the character described, a straw rackprovided with sets of lifting fingers, each set of hfting fingers beingprovided with transverse slats, means for feeding grain, straw andthelike'to said rack, a chatl'er provided with sets of lifting fingers,each set being provided with transverse slats, means for directing thechaff and grain from said straw rack to said chalfer, a sieve, means,including a second 'chaffer for directing grain and chaff to said sieve,means for providing an air blast for separating the chaff from saidgrain adjacent the sieve, and a discharge member for receiving the grainfrom the sieve.

3. A' straw rack for threshing machines, comprising a pair of side bars,a plurality of rocking bars extending transversely of said side bars, anarm rigidly connected with each of said transverse bars, means forpivotally mounting the opposite end of each arm to the end connectedwith said transverse bars,-a set of lifting fingers arranged on each ofsaid transverse bars, the fingers of one set overlapping the fingers ofthe next adjacent set an appreciable distance, and a plurality of slatsarranged on each set of lifting fingers, said slats being grouped at theend of the fingers adjacent said transverse bars.-

@111 a device ofthe character described, the combination with athreshingmachine, of identically constructed straw racks and chaifers, each ofsaid straw racks and chaffers being provided with a pair of side barsadapted to be moved back and forth longitudinally, a plurality oftransverse bars pivotally mounted in said side b'ars,a set of liftingfingers-connected with each of saidtransverse bars, one set of liftingfingers overlapping'the next adjacent set approximately half the lengthof the fingers, a plu rality of slats arranged on each set of liftingfingers, said slats being arranged onthe half of the sets of fingersnearest the transverse bars so that the slats will extend from onetransverse bar to the other, and means connected with each of saidtransverse bars for causing said sets of fingers to be raised andlowered pivotally when theside bars are reciprocated. I

5. In a straw rack for threshing. machines,

.a body adapted to bereciprocated, a plurality of sets of fingersarranged on said body, the fingers of-one set overlapping the fingers ofthe next adjacent set for approximately one half the length of thefingers, a slat structure arranged adjacent one end of of a straw rackprovided with a pair of side bars, a plurality of transverse barspivotally mounted in the side bars, a set of fingers arranged on each ofsaid transverse bars, the fingers of one bar overlapping the fingers ofthe next adjacent bar for an appreciable distance, a plurality of spacedslats arranged on each set of fingers, said slats extending from onetransverse bar to the next succeeding transverse bar, means for rockingsaid bars, said means including an adjusting link for varying the amountof movement of said transverse bars without varying the movement of thepower means, a chaffer of the same construction and arrangement as thestraw rack, and means for forcing a current of air adjacent the chaiferwhereby the grain and chaff are subject to the action of the air for anappreciable time, the transverse slats retaining the chaff and grain.

7. In a device of the character described, the combination with athreshing machine, of a straw rack provided with a pair of side barsadapted to be moved back and forth longitudinally, a plurality oftransverse bars pivotally mounted in said side bars, a set of liftingfingers connected with each of said transverse bars, the lifting fingerson each bar being of such a length as to extend twice the distancebetween the respective transverse bars so that there Will be a greatoverlap, a plurality of slats arranged on each set of lifting fingers,said slats extending transversely of the fingers and occupying the spaceon the fingers equal to the distance between adjacent transverse bars,and means connected with each of said transverse bars for causing saidsets of fingers to be raised and lowered pivotally when the side barsare reciprocated.

In testimony whereof I have signed my name to this specification in thepresence of two subscribing witnesses.

EMMITT D. RICHARDSON.

MARIE MEENEY.

Copies of this patent may be obtained for five cents each, by addressingthe Commissioner of Iatents, Washington, D. 0.

